package net.zjitc.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.extern.slf4j.Slf4j;
import net.zjitc.common.R;
import net.zjitc.entiy.Employee;
import net.zjitc.service.EmployeeService;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;
    //*员工登录*
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        //将密码进行md5加密处理
        String password=employee.getPassword();
        password= DigestUtils.md5DigestAsHex(password.getBytes());
        //根据用户名查询数据库
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp=employeeService.getOne(queryWrapper);
        //若没有查询到则输出登录失败
        if (emp==null){
            return  R.error("登录失败");
        }
        //若密码对比不一致则输出登录失败
        if (!emp.getPassword().equals(password)){
            return R.error("登录失败");
        }
        //查看员工状态，若为已禁用则输出账号已禁用
        if (emp.getStatus()==0){
            return R.error("账号已禁用");
        }
        //登录成功将员工id存入session并返回登录成功结果
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }
    //*员工退出*
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        //清理Session中保存的当前登录员⼯的id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }
    //*新增员工*
    //请求 URL: http://localhost:8080/employee
    //请求方法: POST
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("新增员工，员工信息：{}",employee.toString());
        //设置初始密码为123456，需要进行md5加密处理
          employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//        //获得当前登录用户的id
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);
        employeeService.save(employee);
        return R.success("新增员工成功");
    }
    //*员工信息分页查询
    //请求 URL: http://localhost:8080/employee/page?page=1&pageSize=2&name=132
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        log.info("page={},pageSize={},name={}",page,pageSize,name);
        //构造分页构造器
        Page pageInfo=new Page(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        //执行查询
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }
    //*根据id修改员工信息
    //请求 URL: http://localhost:8080/employee
    //请求方法: PUT
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());
//        Long empId=(Long)request.getSession().getAttribute("employee");
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }
    //*根据员工id查询员工信息
    //请求 URL: http://localhost:8080/employee/1650313474166063105
    //请求方法: GET
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){
        log.info("根据id查询员工信息..");
        Employee employee=employeeService.getById(id);
        if (employee!=null){
            return R.success(employee);
        }
        return R.error("没有查询到对应员工信息");
    }
}
